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Design & Technology > Metals > Flashcards

Metals Flashcards

1
Q

Mild steel properties

A

tough
malleable
magnetic

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2
Q

Mild steel uses

A

structural steel girders

car body panels

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3
Q

Mild steel adv.

A

easily worked and joined
cheap
available in many forms and sections
recycled

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4
Q

mild steel disadv.

A

rust

only case hardened

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5
Q

stainless steel properties

A

hard
tough
corrosion resistant

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6
Q

stainless steel uses

A

cutlery
kitchen sinks
pots and pans
surgical instruments

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7
Q

stainless steel adv.

A

easily cleaned
no surface finishing
recycled
high lustre finish

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8
Q

stainless steel disadv.

A

difficult to use

special welding needed

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9
Q

Carbon steel properties

A

ductile

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10
Q

carbon steel uses

A

nails, screws, nuts

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11
Q

carbon steel adv.

A

recycled

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12
Q

carbon steel disadv.

A

rust easily heat treated

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13
Q

aluminium properties

A 
lightweight
soft
ductile
malleable
HE
CR
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14
Q

aluminium Uses

A

Window frames
soft drink cans
kitchen foil
uses in alloys

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15
Q

aluminium advantages

A

easily drawn into thin wires and sheets
can be recycled
easily cast

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16
Q

aluminium disadvantages

A

expensive difficult to weld, as specialist equipment is required

17
Q

Copper properties

A

malleable
ductile
good conductor of heat and electricity
corrosion-resistant

18
Q

Copper uses

A

electric cables
plumbing fittings and pipes
hot water cylinders

19
Q

Copper advantages

A

easily drawn into thin wires
can be recycled
easily soldered

20
Q

Copper disadvantages

A

expensive

will tarnish over time

21
Q

Zinc properties

A

excellent resistance to corrosion

22
Q

Zinc uses

A

protective coverings for railings and dustbins

negative battery terminal

23
Q

Zinc advantages

A

can be recycled

24
Q

Zinc disadvantages

A

brittle

25
Q

Brass (alloy) properties

A

Good resistance to corrosion
good fluidity, casts well
good conductor of heat and electricity

26
Q

Brass (alloy) uses

A

plumbing fittings

marine fittings

27
Q

Brass (alloy) advantages

A

can be polished to achieve a high-lustre finish
tougher than copper
can be recycled
easily cast and turned

28
Q

Brass (alloy) disadvantages

A

relatively expensive

29
Q

Ductility definition

A

the ability to be drawn or stretched into thinner, smaller sections

30
Q

Malleability definition

A

the ability to be deformed by compression without tearing or cracking

31
Q

Hardness definition

A

the ability to withstand abrasive wear and indentation

32
Q

Toughness definition

A

the ability to withstand sudden and shock loading without fracture

33
Q

Elasticity definiton

A

the ability to return to original shape once the deforming force is removed

34
Q

Tension definition

A

the ability of a material to withstand being pulled apart

35
Q

Shear definition

A

the ability of a material or joint, to withstand being slid or pulled apart

Design & Technology (2 decks)

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